1. Assistant Professor, Pregnancy Health Research Center, Department of Midwifery, Zahedan University of Medical Sciences, Zahedan, Iran
2. Gynecologist, Department of Obstetrics and Gynecology, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
3. Assistant Professor, Department of Midwifery, Faculty of Nursing and Midwifery, Tabriz Medical Sciences, Islamic Azad University, Tabriz, Iran